The utility model provides a cart used in a clean room in semiconductor technology. The cart comprises a main body that is provided with a motor, a power supply, a driving wheel and an adjustable switch. The motor is electrically connected with the power supply, the driving wheel is connected with the motor through a transmission device, and the adjustable switch is electrically connected with the motor and the power supply. As the cart used in the clean room in semiconductor technology is driven electrically, the labor intensity of operating personnel is relieved and the operating efficiency is improved.